A rare star in a tiny galaxy preserves a record of the early universe

The chemically primitive star appears to preserve debris from a first-generation supernova

A dense star field shows thousands of stars of varying colors and brightness scattered across a dark background.

This image shows the region around the ultrafaint dwarf galaxy Pictor II. The galaxy contains a star so primitive that it preserves chemical signatures from the early universe.

CTIO/NOIRLab/AURA and NSF, DOE

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